Test: Punctuation- 2 - Class 6 MCQ

According to general rule, a period is used to mark the end of a complete sentence. Thus, the correct answer will be Option A, no change. 
The remaining options are incorrect, as a comma is used to indicate a pause whereas, a semi colon is used to separate major sentence elements. A colon is used to indicate emphasis or introduce a list.

To signify that the statement is a direct question, we use a question mark at the end of the sentence. Hence, the correct answer is C) Before?

The statement is false because the sentence uses incorrect punctuation. We use a question mark at the end of a sentence only when it asks a direct question. The sentence given asks an indirect question and hence, it should end with a full stop. The correctly punctuated sentence would be:
Jason asked whether we knew his uncle.

Exclamation mark is used to express surprise, excitement or any other strong emotion. Given sentence describes excitement. Thus, option B is correct. 

Apostrophe after noun and before 's' indicates that the noun which has apostrophe owns the following noun. Apostrophe is used after 's' if the noun is plural or ends with an s. Here, the noun is singular (Ann). Therefore, the correct option is: Ann's mother. 

Affirmative answers have the following structure: affirmative word+ subject+auxiliary verb in the same tense as the question. Hence Option C is correct. The rest of the options do not adhere to the rule, hence incorrect.

Affirmative answers have the following structure: yes,  subject+auxiliary verb in the same tense as the question. Hence Option A is correct. The rest of the options do not adhere to the rule, hence incorrect.

A question mark is used at the end of a direct question. Hence, the correct option is C) Deep water? 

The given sentence clearly states a warning message. The usage of a question mark here, is incorrect.
Such strong feelings, high volume or a message with an emphasis is followed by an exclamation mark. Thus, the correct answer is Option B.
The period is used to end a sentence. It does not bring out the required emphasis.

According to general rule, the possessive of a singular noun (here, 'river') is formed by adding an apostrophe (') and s. Therefore, the correct form of writing the possessive of river is 'river's'. Only and apostrophe is added for nouns that are plural and end with an s.Therefore the correct form of writing the possessive of boys is boys'.
Thus, by applying the rules of using apostrophe and eliminating the incorrect options, the correct answer must be Option C.